CN2284160Y

CN2284160Y - Automatic detecting alarm of lamp

Info

Publication number: CN2284160Y
Application number: CN 96221586
Authority: CN
Inventors: 陈永明
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-09-10
Filing date: 1996-09-10
Publication date: 1998-06-17
Anticipated expiration: 2006-09-10

Abstract

The utility model relates to an automatic detecting alarm of a lamp, which comprises a detecting unit, a delay self-locking unit, and a control alarm unit. The utility model is characterized in that the core element of the detecting unit is an NAND gate circuit; the input signal of the NAND gate circuit is taken from an electric lamp; the output end of the NAND gate circuit is connected with the control alarm unit; the delay self-locking circuit is connected with the control alarm unit; at the same time, the detecting unit, the control alarm unit, and the delay self-locking are all connected with the common end of the NAND gate circuit. The utility model can carry out on-line detection for the situation of the lamp and alarm.

Description

The automatic detection alarm device of light

The automatic detection alarm device of a kind of light relates to the device that electric fault is surveyed and indicated.

At present, Vehicular lamp does not have on-line detecting system, has only simple indicator light circuit, and indicator lamp also can only just have indication behind corresponding switch open, and can not indicate which bulb and damage, make troubles, there is safety hazard in driving checking, keeping in repair.Chinese patent application has been announced a kind of " multifunctional circuit tester for motor driven vehicle " for No. 90205276.4.Normally whether detection accumulator jar voltage and electrical generator the operating voltage test circuit and the sparkle of illumination circuit of electrical circuit inspection, the various electric elements faults of detection automobile are housed on its wiring board in housing.Yet this tester can not carry out instant, online detection and warning.

The purpose of this utility model provides the automatic detection alarm device of a kind of light, and this annunciator can instant, online detection and warning.

Adopt such technical scheme according to above-mentioned purpose the utility model: the automatic detection alarm device of this light comprises detecting unit, time-delay from lock unit and control alarm unit, the core parts that are characterized in detecting unit are NAND gate circuit, the NAND gate circuit incoming signal is taken from electric light, mouth joins with the control alarm unit, time-delay is joined from lock unit and control alarm unit, simultaneously, detecting unit, control alarm unit, delay unit all joins with common port.

When lamp occurs connecting, disconnects or damages three kinds of situations, the NAND gate circuit input end obtains unlike signal, phase " with " back is in mouth output high level or low level, is sent to the control alarm unit through time-delay after lock unit time-delay self-locking, makes the keying of control alarm unit.

The utility model is because the NAND gate circuit input end signal in the detecting unit is taken from the state of lamp.Therefore,, promptly enter the full automaticity detected state, when lamp damages, report to the police simultaneously when the checking system power connection, bright when switch closes to the inductive switch indicator lamp, thus can realize immediately online detection and warning.

The concrete structure of utility model is provided by following embodiment and accompanying drawing.

The automatic detection alarm device of the light circuit block diagram that Fig. 1 the utility model proposes for foundation.

The automatic detection alarm device of the light schematic circuit diagram that Fig. 2, Fig. 3 the utility model proposes for foundation.

Fig. 4, Fig. 5, Fig. 6 are the schematic circuit diagram according to the automatic detection alarm device of the light light switch that the utility model proposes.

Below in conjunction with drawings and Examples the automatic detection alarm device of light that foundation the utility model proposes is further described.

As shown in Figure 1, the detecting unit of the automatic detection alarm device of this light joins with lamp, and detecting unit output connects the control alarm unit, and time-delay also connects the control alarm unit from lock unit.The core parts of detecting unit are NAND gate circuit, and the NAND gate circuit incoming signal takes from electric light, and mouth joins with the control alarm unit.Detection, time-delay self-locking, control alarm unit all join with common port.In some use occasion, on self-propelled vehicle, part lamp pause switch on daytime, night, length was opened.For the control alarm unit of the automatic detection alarm device of this this light is made of optical control element, timing unit and warning circuit.The output of optical control element circuit taking alarm.The timing unit input connects lamp, and output connects optical control element.Light-operated, timing Unit two also join with common port.When optical control element was connected by illumination, the timing unit signal can be connected by optical control element and alarm unit.

Referring to Fig. 2, Fig. 3, detecting unit comprises diode D, D0, resistance R and NAND gate circuit IC2 again, and wherein IC2 can select HD14011BP for use.Power supply is behind main supply switch S0, and one the tunnel through the resistance R and the diode D of serial connection connect the A point more each other; Another path connects the A point behind switch-dividing S1.Lamp L1 is connected between A point and the common port.Also be connected to the resistance R 0 and the R0 ' of serial connection each other between A point and common port, the contact between R0 and the R0 ' is the B point.The road input of IC2 connects the A point through diode D0, and another road input of IC2 then connects the B point through inverter ic 1.Be indication B dotted state, also can be at the indirect LED of the mouth of power supply and IC1.The mouth of IC2 connects the base stage of aerotron BG1 after resistance R 1, the emitter power connection of aerotron BG1, and collecting electrode is unit taking alarm behind diode D1.The core parts of warning circuit are IC5, and the model of this integrated package is HA17555.8 pin of IC5,4 pin connect the negative terminal of D1, and 3 pin are mouth and connect common port behind buzzer BZ, and 2 pin and 6 pin join, and 1 pin and 5 pin join.The negative terminal of D1 connects 6 pin behind resistance R 4, R5,7 pin of the contact of R4, R5 and IC5 join.Capacitor C 1 is connected between 1 pin and 2 pin.Resistance R 7 is connected between 1 pin and common port of IC5.Be the level height of indication IC2 mouth, between IC2 mouth and resistance R 1, be connected in series LED-A again.If do not adopt the technical scheme of voltage sampling, can adopt photosensitive detection yet.Promptly adopt photosensitive detection as lamp L-A1 among Fig. 2, Fig. 3.The input end of NAND gate circuit IC2 connects the E point behind diode D0, another input end meets photosensitive tube BG-A1 mouth G1 behind phase inverter, simultaneously resistance R ' be connected between photosensitive tube output and the common port.The input end power connection of photosensitive tube BG-A1.

Lamp L1 circuit is that voltage sampling detects among Fig. 2, Fig. 3.When lamp just often, the A point is a low level, diode D0 conducting, IC2 exports high level, LED-A and BG1 all end, so IC5 do not work, when lamp damaged, the A point was a high level, D0 ends, the IC2 input end is a high level; Simultaneously, the B point is a low level, and IC1 exports high level, and the IC2 input end is a high level; Thereby the IC2 output low level, the LED-A conducting is luminous, the BG1 conducting, IC5 gets electric alarm.

If adopt voltage sampling to add light-operated detection, as employed situation among the lamp L-A1.When lamp just often, the E point is a low level, the D0 conducting, IC2 is output as high level, LED-A, BG1 end, IC5 does not work.When lamp damaged, the E point was a high level, and D0 ends, and the IC2 input end is a high level; The G1 point is a low level, and IC1 is output as high level, and the IC2 input end is a high level; Thereby IC2 is output as low level, and the LED-A conducting is luminous, the BG1 conducting, IC5 gets electric alarm, when switch S A1 closure, lamp just often, BG1-A1 is subjected to the illumination conducting, the IC1 output low level, IC2 exports high level, LED-A ends by, BG1, IC5 does not work.After switch S-A1 closed, when lamp damaged, the E point was a high level, and D0 ends, and the IC2 input end is a high level, and the G1 point is a low level, and IC1 is output as high level, and IC2 is output as low level, and the LED-A conducting is luminous, the BG1 conducting, and IC5 gets electric alarm.

Time-delay mainly is made up of ic chip 4-1 and aerotron BG2 from lock unit, and the model of IC4-1 is TC4066BP.The collecting electrode of 9 pin of IC4-1, the collector connecting transistor BG1 of aerotron BG2.Resistance R 2 is connected between the base stage and collecting electrode of BG2, and capacitor C D1 is connected between BG2 base stage and the common port.The BG2 emitter connects 6 pin of IC4-1.The 8 pin power connections of IC4-1.Resistance R 3 be connected between 6 pin and common port of IC4-1 after switch S is connected in series.When the BG1 conducting, BG2 time-delay self-locking conducting, IC4-1 control end 6 pin get electric, make conducting between 8 pin and 9 pin, and the state of IC5 is maintained, and presses switch S, and 6 pin of IC4-1 are low level, disconnect between 8 pin of IC4-1 and 9 pin, and the IC5 dead electricity quits work.

Optical control element mainly is made up of aerotron BG3, photosensitive tube BG4 and ic chip 4-2, wherein the same with the IC4-1 also available TC4066BP of IC4-2.BG4 is connected between the base stage and collecting electrode of BG3, the collecting electrode power connection of BG3.BG3 emitter one tunnel connects 12 pin of IC4-2; Another road connects common port through W1, R6.Collecting electrode, 10 pin that 11 pin of IC4-2 meet BG1 connect timing unit.When illumination, BG4, BG3 conducting, 11 pin of IC4-2 and 10 pin are connected; Otherwise 10 pin of IC4-2 and 11 pin disconnect during unglazed the photograph.

Timing unit mainly is made up of IC6, BG5, IC3-1, IC3-2, and wherein, IC6 is HA17555, and IC3-1 and IC3-2 are same integrated package HD14011BP.3 pin of IC6 connect 10 pin, its 4 pin, the equal power connection of 8 pin of IC4-2 behind IC3-2,1 pin, 5 pin join, and 2 pin connect the collecting electrode of aerotron BG5, are connected to capacitor C D2 between 1 pin and 7 pin.The mouth of IC3-1, the emitter of BG5 all connect 1 pin of IC6.6 pin and 7 pin of IC6 join, and 6 pin are through resistance W2, R8 power connection.The base stage of BG5 connects the switch-dividing of each lamp after capacitor C, as S-A1 or S1.Two input ends of IC3-1 join after aerotron D0 ' connects each lamp switch-dividing.With lamp L-A1 is example, when S-A1 closes, and D0 ' conducting, the IC3-1 output low level, 2 pin of IC6 obtain negative going pulse, and timing when IC6 opens is treated timing then, the 3 pin output low levels of IC6, IC3-2 output high level makes IC5 get electric alarm by IC4-2, D1.When SA1 disconnected, the IC3-1 input end was a low level, is output as high level, the 3 pin output high level of IC6, and the IC3-2 output low level, D1 ends, and the IC5 dead electricity quits work.

Fig. 4 ~ shown in Figure 6 and for example, the automatic detection alarm device of this light can be selected the transwitch circuit for use, and the silicon control positive and negative electrode seals between the SL point among Fig. 2 and gets final product among Fig. 4.Be connected to resistance R between the SCR control utmost point and positive pole.In order to control many lamps simultaneously, a plurality of silicon controls positive poles also connect, and the control utmost point also connects after resistance connects positive pole.Connection is basic identical among Fig. 5 and Fig. 6 and Fig. 4, and adopt among Fig. 5 and touch the locking press button switch, and the lamp Alternating Current Power Supply, also adopt among Fig. 6 and touch the locking press button switch, but the lamp DC supply.

Referring to Fig. 1, the control alarm unit also can increase by a pressure unit in this annunciator on the basis of the foregoing description again, and this unit input connects detecting unit, and forces to contain relay in the unit, and the contact of this relay is serially connected in the power supply current supply circuit.Force the unit to be made up of aerotron BG6, ic chip 7 and relay J 1, the model of IC7 connects the BG2 collecting electrode with the base stage of IC5.BG6 after capacitor C 2, and emitter connects common male end, and collecting electrode connects 2 pin of IC7.3 pin of IC7 are signal output part, and output signal drives relay J 1, and the contact of J1 then is serially connected in the current supply circuit of power supply.Therefore the action of relay J 1, able to turn on or off power supply.

Claims

1. the automatic detection alarm device of light comprises detecting unit, time-delay from lock unit and control alarm unit, and the core parts that it is characterized in that detecting unit are NAND gate circuit; Described NAND gate circuit incoming signal is taken from electric light, and mouth joins with the control alarm unit, and delay self-lock circuit joins with the control alarm unit, and simultaneously, detecting unit, control alarm unit, time-delay are all joined with common port from lock unit.

2. the automatic detection alarm device of light according to claim 1, it is characterized in that controlling alarm unit and be made of optical control element, warning circuit and timing unit, the timing unit input connects lamp, and output connects optical control element, optical control element circuit taking alarm, and light-operated, regularly Unit two also join with common port.

3. the automatic detection alarm device of light according to claim 1, it is characterized in that controlling alarm unit is made of optical control element, warning circuit, timing unit and pressure unit, the timing unit input connects lamp, output connects optical control element, optical control element circuit taking alarm, and light-operated, timing Unit two also join with common port, force unit input termination detecting unit, and force the contact of unit repeat circuit to be serially connected in the power supply current supply circuit.